Adding Chrome-side WebVR interface

content/browser/vr/vr_device_provider.h

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CONTENT_BROWSER_VR_VR_DEVICE_PROVIDER_H
+#define CONTENT_BROWSER_VR_VR_DEVICE_PROVIDER_H
+
+#include <vector>
+
+namespace content {
+
+class VRDevice;
+
+class VRDeviceProvider {
+ public:
+  VRDeviceProvider() {}
+  virtual ~VRDeviceProvider() {}
+
+  virtual void GetDevices(std::vector<VRDevice*>& devices) = 0;
+
+  // If the VR API requires initialization that should happen here.
+  virtual void Initialize() = 0;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_VR_VR_DEVICE_PROVIDER_H